I'm still in the process of tagging pages that were migrated from the old site, so for now you're best off using the search engine rather than relying on the tags.
- Find duplicate lines in a sorted file - After sorting a file you will often find that some duplicate data, or you may be given various lists that need deduping. sort and uniq will quickly and easily remove duplicates, lsit only the dupilcates or only the unique data. sort myfile.txt | uniq ...